Last Updated
：2025/12/01
Maisonneuve's instrument
Noun
Japanese Meaning
隠された刃を持つ尿道切開器の一種で、尿道の狭窄部位まで挿入し、目的の拡張度に達するまで拡張し、その後露出した刃で狭窄部を切断する医療器具
（ plural ）
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A form of urethrotome with a concealed knife, which is passed to the point of stricture and expanded to the desired degree before the knife is exposed to cut the stricture.
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Maisonneuve's instrument
During the procedure, the surgeon carefully advanced Maisonneuve's instrument to the site of the stricture, then gradually expanded it before exposing the concealed blade to incise the obstruction.
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During the procedure, the surgeon carefully advanced Maisonneuve's instrument to the site of the stricture, then gradually expanded it before exposing the concealed blade to incise the obstruction.
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